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Parse PS3_DISC.SFB for redump-style IRDs

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Deterous
2023-11-11 19:50:50 +13:00
parent 5a9cce39ae
commit b794ec8f96
5 changed files with 190 additions and 21 deletions
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LibIRD/IRD.cs
+41 -9
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@@ -364,7 +364,8 @@ namespace LibIRD
/// <param name="discKey">Disc Key, byte array of length 16</param>
/// <param name="discID">Disc ID, byte array of length 16</param>
/// <param name="discPIC">Disc PIC, byte array of length 115</param>
public IRD(string isoPath, byte[] discKey, byte[] discID, byte[] discPIC)
/// <param name="redump">True if redump-style IRD</param>
public IRD(string isoPath, byte[] discKey, byte[] discID, byte[] discPIC, bool redump = false)
{
// Parse ISO, Disc Key, Disc ID, and PIC
DiscKey = discKey;
@@ -373,7 +374,7 @@ namespace LibIRD
PIC = discPIC;
// Generate IRD files from ISO
GenerateIRD(isoPath);
GenerateIRD(isoPath, redump);
}
/// <summary>
@@ -381,15 +382,14 @@ namespace LibIRD
/// </summary>
/// <param name="isoPath">Path to the ISO</param>
/// <param name="getKeyLog">Path to the .getkey.log file</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="InvalidDataException"></exception>
public IRD(string isoPath, string getKeyLog)
/// <param name="redump">True if redump-style IRD</param>
public IRD(string isoPath, string getKeyLog, bool redump = false)
{
// Parse .getkey.log file
ParseGetKeyLog(getKeyLog);
// Generate IRD files from ISO
GenerateIRD(isoPath);
GenerateIRD(isoPath, redump);
}
#endregion
@@ -624,10 +624,11 @@ namespace LibIRD
/// Constructor for generating values from an ISO file
/// </summary>
/// <param name="isoPath">Path to the ISO</param>
/// <param name="redump">True if redump-style IRD</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="FileNotFoundException"></exception>
/// <exception cref="InvalidFileSystemException"></exception>
private protected void GenerateIRD(string isoPath)
private protected void GenerateIRD(string isoPath, bool redump = false)
{
// Parse ISO file as a file stream
using FileStream fs = new FileStream(isoPath, FileMode.Open, FileAccess.Read) ?? throw new FileNotFoundException(isoPath);
@@ -638,15 +639,46 @@ namespace LibIRD
// New ISO Reader from DiscUtils
CDReader reader = new(fs, true, true);
// Redump-style IRDs set the lowest bit of ExtraConfig to 1
ExtraConfig |= 0x01;
// If generating redump-style IRD, read PS3 Metadata from PS3_DISC.SFB
if (redump)
{
using DiscUtils.Streams.SparseStream s = reader.OpenFile("PS3_DISC.SFB", FileMode.Open, FileAccess.Read);
// Parse PS3_DISC.SFB file
PS3_DiscSFB ps3_DiscSFB = new(s);
// Redump-style IRDs use the TITLE ID
if (ps3_DiscSFB.Field.ContainsKey("TITLE_ID") && ps3_DiscSFB.Field["TITLE_ID"].Length == 10 && ps3_DiscSFB.Field["TITLE_ID"][4] == '-')
{
// Use the TITLE_ID from PS3_DISC.SFB
TitleID = string.Concat(ps3_DiscSFB.Field["TITLE_ID"].AsSpan(0, 4), ps3_DiscSFB.Field["TITLE_ID"].AsSpan(5, 5));
}
else
{
// Valid Title ID not found in PS3_DISC.SFB, use the one in PS3_GAME/PARAM.SFO
redump = false;
}
// If the version field is present, this is a multi-game disc
// Redump-style IRDs use the VERSION field from PS3_DISC.SFB instead of VERSION from PARAM.SFO
if (ps3_DiscSFB.Field.ContainsKey("VERSION"))
GameVersion = ps3_DiscSFB.Field["VERSION"];
}
// Read PS3 Metadata from PARAM.SFO
using (DiscUtils.Streams.SparseStream s = reader.OpenFile("PS3_GAME\\PARAM.SFO", FileMode.Open, FileAccess.Read))
{
// Parse PARAM.SFO file
ParamSFO paramSFO = new(s);
// Store required values for IRD
TitleID = paramSFO["TITLE_ID"];
if (!redump)
TitleID = paramSFO["TITLE_ID"];
Title = paramSFO["TITLE"];
GameVersion = paramSFO["VERSION"];
if (GameVersion == null)
GameVersion = paramSFO["VERSION"];
AppVersion = paramSFO["APP_VER"];
}